.container-login{
    width: 100%;
    height: calc(100% - 50px);
    display: flex;/*输入框居中-弹性布局*/
    align-items: center;
    justify-content: center;
}

.login-dialog{
    width: 350px;
    height: 250px;
    background-color:rgba(220,220,220,0.8);
    padding-top: 20px;
    border-radius: 10px;
}

.nav{
    height: 70px;
    width: 100%;
    color: white;
    background-color: rgba(0, 0, 0, 0.7);
    font-size: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.login-dialog h3{
    text-align: center;
    
}
.login-dialog .row{
    width: 280px;
    height: 40px;
    margin: 10px auto;
    display: flex;
    justify-content: space-between;
    align-items: center;

}

.login-dialog .row>input{
    width: 220px;
    height: 35px;
    border-radius: 5px;
    border: 1px solid rgb(178, 178, 178);
    outline: none;
    padding-left: 10px;
    box-shadow: 0px 1px 4px 0px rgba(168, 168, 168, 0.6) inset;
}

.login-dialog #submit,.login-dialog #register{
    width: 280px;
    height: 40px;
    background-color: #8c8c84;
    color: white;
    border: none;
    margin: 20px 5px 2px 5px;/*上右下左*/
}